Search found 16 matches

Antenna: 17cm long wire

Power: I'm using a simple decoupling (10uF+100nF) but I can try using a more elaborate decoupling method like a pi filter.

PCB: The board only contains the ask receiver, ...

I was curious, so I downloaded the datasheet for the HS1527. One big issue is that the actual dutycycle spec for the device varies widely depending on the VCC it's running at. With an Rosc of 300K, DC ...

Hi, I'm trying to control a system using a commercial 4-buttons RF control that uses the HS1527 chip.

Like all 8-pin RF chip, it sends the data using a preamble, later a 20 bit unique number and, ...

A few issues that need to be addressed:

Your code, as posted, mixes up discrete inputs with coils - they are very different things - and only deals with a set number of coils, not as individuals an ...

Hi.. I tried to modify the software and I'm getting the **TIME OUT error** using ModScan32.

First: I change the limit of the lenght to accept more than 8 addresses

if((modbus_rx. ...

Let me explain what I got and correct me if I'm wrong:

1.- Use the length of the request (modbus_rx.data[3]) in a for cycle to evaluate the actual data of inputs (coming from the ports of the PIC). ...

So I must group inputs into a byte? Later into an array?

Something like this?

int8 inputs[]={}
//...

...//
inputs[1]=(port_b);
inputs[2]=( ...

Hi all:

I have a simple question regarding the modbus library and its use.

**How I can read more than 8 inputs or coils status? Just making the int8 input to a bigger variable?

**How i do it ...

Hi all:

I could finally fix the problem using:

#define USE_INTERRUPTS 1

That line tells to the library to disable all interrupts during the reading process of the DS1307.

I hope t ...

PS: The battery and buttons are located in a different PCB.

I think, there is possibility of a bug in compiler? I have Version 4.104

Hi,

My suspicion is that the "hardware problem" is that there is no hardware, and this is a Proteus project. On everything else I agree whole-heartedly Very Happy

John

Hi, in the begi ...

Hi:

First of all, thanks for your time and help!

I couldn't understand the structure of the "enums". In the other hand, for a quick test, I erased the part of the program to set the ti ...

I used the "day" variable inside of the bin_bcd() and mostrar() sub functions.

So, do you think that the random value in the dow variable is the origin of the problem?

Ttelmah make me ...

Ohhhh No, no,no! It's a real problem, real chip, real hardware, i was asking to upload the schematic of the circuit due to you requested more information.

So, what do you think about my proposal ? ...

Hi

First, thanks for the quick response. One of my reasons for get in this forum is to learn to make more orderly and efficient codes.

About your request, I put a synthesis of software:

- esc ...